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Cisco Bug: CSCvh98975 - Platform AC ctx and Platform PW ctx is Not Bound after continuous flaps on AC side

Last Modified

May 10, 2020

Products (8)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9922 Router
  • Cisco IOS XR Software
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9912 Router

Known Affected Releases


Description (partial)

With continuous interface flaps on CE/AC side, Platform AC and PW ctx is Not Bound.

show l2vpn forwarding interface Serial0/2/0/1/1/7:1.172 hardware ingress detail location 0/2/cpu0
Tue Jan  9 18:24:04.535 UTC
Local interface: Serial0/2/0/1/1/7:1.172, Xconnect id: 0x1080185, Status: up
  Segment 1
    AC, Serial0/2/0/1/1/7:1.172, status: Bound
Platform AC Context:, State: Not Bound ,
Platform PW Context: Not Bound,

PWGROUP Creation failures due to Out of resource were also observed on SIP-700 LC. 

"show l2vpn trace loc <>" gives in the below error
Feb  4 15:34:05.326 l2vpn/fwd-detail 0/3/CPU0 t1  FWD_DETAIL|ERR:107: PWGROUP-ERR [peer: 
id:0x400fcc0 ifh:0x0 state:0] plat upd: Create failed, rc:'vkg-fwd-l2vpn' detected the 'warning' condition
'Out of resources'

This problem has been seen with using l2pn xconnects with pseudowires (AC-PW) with AC link flap events.

The issue is not seen with local switching xconnects (AC-AC) as there is no PW Group associated with local switched xconnects.
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